Function PlayerStuff()
    things[player,thingThrust] = 0 'stops the ship getting too fast
    If KeyDown(key_up) ' WOOOOOSH, get XY values from thrust using cos/sin
        things[player,thingThrust] = 0.25
        Local ThrustX:Float = things[player,thingThrust]*Cos(things[player,thingDirection])
        Local ThrustY:Float = things[player,thingThrust]*Sin(things[player,thingDirection])
    'then add those values to the ship's XY velocity
        things[player,thingXVelocity]:+ ThrustX
        things[player,thingYVelocity]:+ ThrustY
    EndIf
'manage other input
    If KeyDown(key_left) Then things[player,thingDirection]:-4
    If KeyDown(key_right) Then things[player,thingDirection]:+4
    If KeyHit(key_space) Then MakeThing(1,things[player,thingX],things[player,thingY],things[player,thingDirection])
'a bit of friction, for the road // make sure ship doesn't go too fast
    things[player,thingXVelocity]:*friction
    things[player,thingYVelocity]:*friction
    If Abs(things[player,thingXVelocity]) > 8 Then things[player,thingXVelocity]:*0.75
    If Abs(things[player,thingYVelocity]) > 8 Then things[player,thingYVelocity]:*0.75
'update the ship's position
    things[player,thingX]:+things[player,thingXVelocity]
    things[player,thingY]:+things[player,thingYVelocity]
'manage screen wrapping
    If things[player,thingX] > 640 Then things[player,thingX] = 0
    If things[player,thingY] > 480 Then things[player,thingY] = 0
    If things[player,thingX] < 0 Then things[player,thingX] = 640
    If things[player,thingY] < 0 Then things[player,thingY] = 480
End Function